Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

powersupplycalculator.net

Power Supply Calculator - The most accurate PC wattage calculator

Page Load Speed

1.3 sec in total

First Response

93 ms

Resources Loaded

763 ms

Page Rendered

441 ms

powersupplycalculator.net screenshot

About Website

Click here to check amazing Power Supply Calculator content for United States. Otherwise, check out these important facts you probably never knew about powersupplycalculator.net

Calculate the true power usage of a PC. Check how many watts your computer is using when idle or in full load. This online PSU calculator tells you all you need to know.

Visit powersupplycalculator.net

Key Findings

We analyzed Powersupplycalculator.net page load time and found that the first response time was 93 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

powersupplycalculator.net performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value2.5 s

97/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

powersupplycalculator.net

93 ms

jquery-ui-1.10.4.custom.min.css

11 ms

main2.css

15 ms

jquery-1.10.2.min.js

25 ms

jquery-ui-1.10.4.custom.min.js

19 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 35% of them (9 requests) were addressed to the original Powersupplycalculator.net, 15% (4 requests) were made to Pagead2.googlesyndication.com and 15% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (262 ms) relates to the external source Staticxx.facebook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 264.9 kB (56%)

Content Size

472.7 kB

After Optimization

207.8 kB

In fact, the total size of Powersupplycalculator.net main page is 472.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Javascripts take 179.1 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 147.3 kB

  • Original 169.9 kB
  • After minification 168.1 kB
  • After compression 22.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 147.3 kB or 87% of the original size.

Image Optimization

-25%

Potential reduce by 26.2 kB

  • Original 105.1 kB
  • After minification 78.9 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Power Supply Calculator needs image optimization as it can save up to 26.2 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-43%

Potential reduce by 76.6 kB

  • Original 179.1 kB
  • After minification 179.0 kB
  • After compression 102.5 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 76.6 kB or 43% of the original size.

CSS Optimization

-80%

Potential reduce by 14.8 kB

  • Original 18.5 kB
  • After minification 18.1 kB
  • After compression 3.7 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Powersupplycalculator.net needs all CSS files to be minified and compressed as it can save up to 14.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (32%)

Requests Now

25

After Optimization

17

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Power Supply Calculator. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

powersupplycalculator.net accessibility score

71

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

powersupplycalculator.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

powersupplycalculator.net SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Powersupplycalculator.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Powersupplycalculator.net main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Power Supply Calculator. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: